Kvass is a traditional Russian fermented beverage made from rye bread. Having been popular for many centuries, since Soviet times it became associated with yellow trailers selling it in hot summer days.
It is indeed a perfect refreshing drink when it’s hot outside being not too sweet and not too savoury. There is a small percentage of alcohol in kvass (0,5 – 0,8 per cent).
These days kvass is also manufactured and sold in plastic bottles and the growth of this market is leaping ahead of other beverages, especially in hot summer days. Despite the popularity of mass production, some people in search of “old good traditional kvass” brew the beverage at home which is quite easy using fermentation starter called “zakvaska”.
There are two types of kvass: normal drinking kvass, somewhat sweeter, and more savoury okroshka kvass. The latter is used for the cold soup “okroshka”.